Cut Sheet

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Energy Controls
ET2800 Series
Diagrams
Specification
The 365/7-Day Astronomic Electronic Control shall be capable of permitting up to 48 ON/48 OFF events. In addition, the
electronic control shall include selectable Astronomic (dusk/dawn) settings for each day and circuit to allow load
switching at sunset and/or sunrise without a photo control device. The electronic control shall provide a minimum ON
or OFF time of 1 minute. The electronic control to be powered by ___ (120)(208)(240)(277) VAC, ___ 60 Hz power supply.
The electronic control mechanism features a snap-in design to provide easy mechanism removal for mounting the
enclosure. The electronic control enclosure shall be a _____ (Type 1 Steel)(Type 3R Steel)(Type 3R Plastic) lockable
enclosure that shall be painted with an electrostatic process to eliminate the potential for corrosion. The electronic
control shall provide clear terminal identication on a transparent non-curling terminal insulator. The electronic control
shall have a USB port to provide for schedule backup and transfer capabilities. Switch conguration shall be _____
(SPST)(DPST)(SPDT) with a UL or CSA listed switch rating of:
If SPST:
• Resistive: 30 A @ 120/240 VAC
• Resistive: 20 A @ 28 VDC
• Inductive: 30 A @ 120/240 VAC
• Tungsten: 5 A @ 120/240 VAC
• Ballast: 20 A @ 120-277 VAC
• Electronic Ballast: 10 A @ 120/277 VAC
• Motor: 1 HP @ 120 VAC
• Motor: 2 HP @ 240 VAC
The electronic control shall be UL or CSA listed under UL category 916 Energy Management Equipment and shall be
Intermatic model ________________(See Model Numbers Listed).
AC IN NO-1 COM1 NO-2
COM2
TIMER
POWER
CIRCUIT 2CIRCUIT 1
OUTPUT CONFIGURATION: IND
N L4L3
N
L2/N
L1
LOAD 1
LOAD 2
OUTPUT CONFIGURATION: PUL (BELL RINGING)
L1
L2/N
CIRCUIT 1 CIRCUIT 2
TIMER
POWER
AC IN NO-1 COM1 NO-2 COM2
LOAD 1
TIMER CONFIGURATION FOR 240 VAC DPST
LOAD 1
COM2 NO-2 COM1 NO-1 AC IN
TIMER
POWER
CIRCUIT 2CIRCUIT 1
L2
L1
OUTPUT CONFIGURATION: SIM
COM
CLOSE
OPEN
OUTPUT CONFIGURATION: PUL
L1
L2/N
CIRCUIT 1 CIRCUIT 2
TIMER
POWER
AC IN NO-1 COM1 NO-2
COM2
TIMER CONFIGURATION FOR CONTACTOR CONTROL
LOAD1
NC-1 COM1 NO-1 AC IN
CIRCUIT 1
TIMER
POWER
LOAD2
OUTPUT CONFIGURATION - SPDT
LOAD 1
L1
L2/N
N
L
(120/277 VAC LOAD)
CIRCUIT 1
TIMER
POWER
COM1 NO-1 AC IN
L2/N
L1
OUTPUT CONFIGURATION: IND
SPDT
SPST
2 CIRCUIT MODELS
AC IN NO-1 COM1 NO-2
COM2
TIMER
POWER
CIRCUIT 2CIRCUIT 1
OUTPUT CONFIGURATION: IND
N L4L3
N
L2/N
L1
LOAD 1
LOAD 2
OUTPUT CONFIGURATION: PUL (BELL RINGING)
L1
L2/N
CIRCUIT 1 CIRCUIT 2
TIMER
POWER
AC IN NO-1 COM1 NO-2 COM2
LOAD 1
TIMER CONFIGURATION FOR 240 VAC DPST
LOAD 1
COM2 NO-2 COM1 NO-1 AC IN
TIMER
POWER
CIRCUIT 2CIRCUIT 1
L2
L1
OUTPUT CONFIGURATION: SIM
COM
CLOSE
OPEN
OUTPUT CONFIGURATION: PUL
L1
L2/N
CIRCUIT 1 CIRCUIT 2
TIMER
POWER
AC IN NO-1 COM1 NO-2
COM2
TIMER CONFIGURATION FOR CONTACTOR CONTROL
LOAD1
NC-1 COM1 NO-1 AC IN
CIRCUIT 1
TIMER
POWER
LOAD2
OUTPUT CONFIGURATION - SPDT
LOAD 1
L1
L2/N
N
L
(120/277 VAC LOAD)
CIRCUIT 1
TIMER
POWER
COM1 NO-1 AC IN
L2/N
L1
OUTPUT CONFIGURATION: IND
SPDT
SPST
2 CIRCUIT MODELS
LOAD 4LOAD 3LOAD 2
LOAD 1
L1
L2/N
N L3 L4 N N L6L5 N
OUTPUT CONFIGURATION: IND - CIRCUIT 1 AND 2
OUTPUT CONFIGURATION: IND - CIRCUIT 3 AND 4
CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4
TIMER
POWER
NO-4 COM4COM3 NO-3
COM2
NO-2 COM1 NO-1 AC IN
OUTPUT CONFIGURATION: SIM - CIRCUIT 1 AND 2
OUTPUT CONFIGURATION: SIM - CIRCUIT 3 AND 4
L1
L2
CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4
TIMER
POWER
AC IN NO-1 COM1 NO-2 COM2 NO-3 COM3 NO-4 COM4
LOAD 1
LOAD 2
TIMER CONFIGURATION FOR TWO 208/240 VAC DPST
TIMER CONFIGURATION FOR TWO CONTACTOR CONTROLS
COM4 NO-4 COM3 NO-3 COM2 NO-2 COM1 NO-1 AC IN
TIMER
POWER
CIRCUIT 4CIRCUIT 3CIRCUIT 2CIRCUIT 1
L2/N
L1
OUTPUT CONFIGURATION: PUL - CIRCUIT 1 AND 2
OUTPUT CONFIGURATION: PUL - CIRCUIT 3 AND 4
OPEN
CLOSE
COM COM
CLOSE
OPEN
AC IN NO-1 COM1 NO-2
COM2
NO-3 COM3 COM4 NO-4
TIMER
POWER
CIRCUIT 4CIRCUIT 3CIRCUIT 2CIRCUIT 1
OUTPUT CONFIGURATION: IND - CIRCUIT 1 AND 2 (120/277 VAC LOAD)
OUTPUT CONFIGURATION: SIM - CIRCUIT 3 AND 4 (208/240 VAC LOAD)
N L4L3 N
L2/N
L1
LOAD 1
LOAD 2
LOAD 3
L5 L6
TIMER CONFIGURATION FOR COMBINATION MODE TIMER CONFIGURATION FOR COMBINATION MODE
LOAD 3
LOAD 2
LOAD 1
L1
L2/N
OUTPUT CONFIGURATION: SIM - CIRCUIT 1 AND 2 (208/240 VAC LOAD)
OUTPUT CONFIGURATION: IND - CIRCUIT 3 AND 4 (120/277 VAC LOAD)
CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4
TIMER
POWER
NO-4 COM4COM3 NO-3
COM2
NO-2 COM1 NO-1 AC IN
L3 L5 N L6 N L7
TIMER CONFIGURATION FOR COMBINATION MODE
OUTPUT CONFIGURATION: PUL - CIRCUIT 1 AND 2 (BELL RINGING)
OUTPUT CONFIGURATION: IND - CIRCUIT 3 AND 4
L1
L2/N
CIRCUIT 4CIRCUIT 3CIRCUIT 2CIRCUIT 1
TIMER
POWER
OUTPUT CONFIGURATION:PUL - CIRCUIT 1 AND 2 (BELL RINGING)
OUTPUT CONFIGURATION: SIM - CIRCUIT 3 AND 4 (208/240 VAC LOAD)
TIMER CONFIGURATION FOR COMBINATION MODE
240VAC
LOAD1
COM4 NO-4 COM3 NO-3
COM2
NO-2 COM1 NO-1 AC IN
AC IN
NO-1 COM1 NO-2
COM2
NO-3 COM3 NO-4 COM4
LOAD1
LOAD2 LOAD3
TIMER
POWER
CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4
L2/N
L1
N L3 N L4
4 - INDIVIDUAL 120/277 VAC LOADS
AC IN
L2/N
L1
TIMER POWER
POWER TO TIMER
120/208/240/277 VAC
(AUTO VOLTAGE, NO JUMPERS REQUIRED)
LOAD 2
4 CIRCUIT MODELS
All Units
1 Circuit SPDT
1 Circuit SPST
If SPDT:
• Resistive: 20 A @ 120/240 VAC
• Resistive: 20 A @ 28 VDC
• Inductive: 20 A @ 120/240 VAC
• Magnetic Ballast: 20 A @ 120/240 VAC
• Electronic Ballast: 10 A @ 120/277 VAC
• Motor: 1 HP @ 120 VAC
• Motor: 2 HP @ 240 VAC